OBC 2006 › Division B
7.4.10.4.
Version 0 — in force 31 December 2006
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- Edition
- OBC_2006
- Division
- B
- Provision
- 7.4.10.4.
- Version
- v0
(1) This Regulation comes into force on December 31, 2006.
Read directly from the regulation's own commencement section.
O. Reg. 350/06 · commencement 2.2.1.1(1)
This version stayed in force until the next edition replaced it. What follows is that edition’s base regulation’s commencement — the takeover that ended this one.
(1) Subject to Sentences (2) and (3), this Regulation comes into force on January 1, 2014.
Read directly from the regulation's own commencement section.
O. Reg. 332/12 · commencement 4.4.1.1(1)
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Tell us what is wrong and we will verify & correct our mapping.
- Edition
- OBC_2006
- Division
- B
- Provision
- 7.4.10.4.
- Version
- v0
(1) This Regulation comes into force on December 31, 2006.
Read directly from the regulation's own commencement section.
O. Reg. 350/06 · commencement 2.2.1.1(1)
This version stayed in force until the next edition replaced it. What follows is that edition’s base regulation’s commencement — the takeover that ended this one.
(1) Subject to Sentences (2) and (3), this Regulation comes into force on January 1, 2014.
Read directly from the regulation's own commencement section.
O. Reg. 332/12 · commencement 4.4.1.1(1)
Provenance
OBC 1997 · renumbered from 7.4.10.6. — Pro
Base · O. Reg. 350/06 · ext← current
Original — base regulation
OBC 2012 · continues as 7.4.10.4. — Pro
7.4.10.4. — Hydraulic Loads from Roofs or Paved Surfaces
(1) Except as provided in Sentence (2), the hydraulic load in litres from a roof or paved surface is the maximum 15 min rainfall determined in conformance with Supplementary Standard SB-1, multiplied by the sum of,
(a) the area in square metres of the horizontal projection of the surface drained, and
(b) one-half the area in square metres of the largest adjoining vertical surface.
(2) Flow control roof drains may be installed provided,
(a) the maximum drain down time does not exceed 24 h,
(b) the roof structure has been designed to carry the load of the accumulated water,
(c) one or more scuppers are installed so that the maximum depth of water on the roof cannot exceed 150 mm,
(d) they are located not more than 15 m from the edge of the roof and not more than 30 m from adjacent drains, and
(e) there is at least one drain for each 900 m2.
Text · e-Laws consolidated snapshot
Provenance
OBC 1997 · renumbered from 7.4.10.6. — Pro
Base · O. Reg. 350/06 · ext← current
Original — base regulation
OBC 2012 · continues as 7.4.10.4. — Pro